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Cowboy revealed in an Instagram post on Wednesday afternoon that he is currently dealing with a blood infection, which is what forced him out of his welterweight bout with Robbie Lawler ... he expects recovery time to only last one week.

“Let everyone know this is not an injury,” Cerrone said. “But a super bad infection in my blood. 7 days of IV and I'll be back at it. Working on getting the fight rescheduled.”

The UFC organization has been notified that the U.S. Anti-Doping Agency (USADA) has informed Nick Diaz of a potential Anti-Doping Policy violation stemming from Diaz’s alleged accumulation of three Whereabouts Failures within a 12-month period. Diaz, like all other UFC athletes, is enrolled in USADA’s UFC Registered Testing Pool and required to file accurate Whereabouts information in order to be located for out-of-competition, no-notice testing.

USADA, the independent administrator of the UFC Anti-Doping Policy, will handle the results management and appropriate adjudication of Diaz’s case, who has been provisionally suspended pending the final resolution of this matter. Under the UFC Anti-Doping Policy, there is a full and fair legal process that is afforded to all athletes before any sanctions are imposed. Additional information will be provided at the appropriate time as the process moves forward.

Steve Bosse is out and in his place Nick Roehrick has signed with the UFC to fight Jared Connonier in a light heavyweight bout on just three days’ notice

Roehrick (7-0 MMA, 0-0 UFC), 29, brings an undefeated record into the contest, including two fights this year under the Combat Night banner. In January he won by split decision and in April he won by first-round TKO. Four of his seven wins have come by decision.